All presentaions of the Open Automn Session Cosmic News held the 26 November 2015 at Paris Observatory are available on line here:

http://chalonge.obspm.fr/Presentations_26Nov2015.html

Contents: Introduction to the Session and Tribute to Hector de Vega.
-The Nobel prize of Physics 2015 and Neutrinos.
-Impact of Cosmic Rays on Clima : A new approach to climate studies?
-Signatures and Constraints on Warm Dark Matter: star formation, 21 cm line, primeval galaxies.
-Bruno Pontecorvo: pionnering work on neutrinos
-Warm Dark Matter and sterile neutrinos. The crises of cold dark matter and of its baryonic cures, the crises of Wimps.
-Science in face to conflicts of interests and technocracy : Quo Vadis Science ?